fixed fp caused by moving &mut reference inside of a closure

[Meczka]

changelog: [needless_pass_by_ref mut]: fixes false positive caused by not covering mutable references passed to a closure inside of a fuction
fixes #11545

[rustbot]

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[xFrednet]

Looks good to me, thank you for the nice fix and adding tests :)

@bors r+

[bors]

📌 Commit ab51f66 has been approved by xFrednet

It is now in the queue for this repository.

[bors]

⌛ Testing commit ab51f66 with merge 50139e6...

[bors]

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: xFrednet
Pushing 50139e6 to master...